I’ve Got a Secret is a panel game show produced by Mark Goodson and
Bill Todman for CBS television. Created by comedy writers Allan Sherman
and Howard Merrill, it was a derivative of Goodson-Todman’s own panel
show What’s My Line?.

The original version of I’ve Got a Secret, hosted by radio and television
personality Garry Moore, premiered on June 19, 1952 and ran until April
3, 1967.

Art Fleming

The television game show Jeopardy!, created by Merv Griffin, originally aired in the
daytime on NBC from March 30, 1964 to January 30, 1975. The quiz show became
a weekly nighttime syndicated edition airing from September 9, 1974 to September
5, 1975. Art Fleming was the original host. Various versions of the show have since
followed with Alex Trebek as the present host.

Alex Trebek

Bud Collyer

The original Beat The Clock show, hosted by Bud Collyer, ran on CBS
from 1950 to 1958 and on ABC-TV from 1958 to 1961. The show had
several sponsors during this time, with the longest standing being the
electronics company Sylvania. Other versions of Beat The Clock aired 
until 2003. In 2013, the show appeared in TV Guide‘s list of the 60
greatest game shows ever. 

Announcer Bern Bennett (1950–1958)

Jim Lange, hosting The Dating Game

 Jim Lange, and his wife, former Miss America Nancy Fleming 

             Jim Lange (August 15, 1932 – February 25, 2014)

The former game show host and disc jockey died at his home in Mill
Valley, California.

To Tell the Truth was created by Bob Stewart and produced by Goodson- 
Todman Productions that has aired in various forms since 1956 on both 
CBS and NBC networks and in syndication. The last show of the original
run aired on December 14, 2001.